1N4944-T Rectron, 1N4944-T Datasheet
1N4944-T
Manufacturer Part Number
1N4944-T
Description
Rectifiers 1A 400V 150ns
Manufacturer
Rectron
Datasheet
1.1N4942-B.pdf
(2 pages)
Specifications of 1N4944-T
Product Category
Rectifiers
Rohs
yes
Product
Fast Recovery Rectifiers
Configuration
Single
Reverse Voltage
400 V
Forward Voltage Drop
1.3 V
Recovery Time
150 ns
Forward Continuous Current
1 A
Max Surge Current
30 A
Reverse Current Ir
5 uA
Mounting Style
Through Hole
Package / Case
DO-41
Maximum Operating Temperature
+ 150 C
Minimum Operating Temperature
- 65 C
Factory Pack Quantity
5000
MAXIMUM RATINGS (At T
ELECTRICAL CHARACTERISTICS (At T
NOTES : 1. Test Conditions: I
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
at T
Peak Forward Surge Current 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
Typical Junction Capacitance (Note 2)
Operating and Storage Temperature Range
Maximum Instantaneous Forward Voltage at 1.0A DC
Maximum DC Reverse Current
at Rated DC Blocking Voltage T
Maximum Full Load Reverse Current Full Cycle
Average, .375” (9.5mm) lead length at T
Maximum Reverse Recovery Time (Note 1)
FEATURES
* High switching capability
* Low leakage
* Low forward voltage drop
* High current capability
* High surge current capability
MECHANICAL DATA
* Case: Molded plastic
* Epoxy: Device has UL flammability classification 94V-O
* Lead: MIL-STD-202E method 208C guaranteed
* Mounting position: Any
* Weight: 0.33 gram
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
A
= 75
SEMICONDUCTOR
TECHNICAL SPECIFICATION
2. Measured at 1 MH
o
C
VOLTAGE RANGE 200 to 1000 Volts CURRENT 1.0 Ampere
RECTRON
o
C ambient temperature unless otherwise specified.
CHARACTERISTICS
A
= 25
F
Z
RATINGS
= 0.5A, I
and applied reverse voltage of 4.0 volts
o
A
C unless otherwise noted)
= 25
FAST RECOVERY RECTIFIER
R
o
C
A
= -1.0A, I
L
= 25
= 55
o
C unless otherwise noted)
o
C
RR
= -0.25A
SYMBOL
SYMBOL
T
J
V
V
I
, T
V
FSM
C
RRM
RMS
I
V
trr
I
DC
O
R
J
F
STG
1N4942
1N4942
200
140
200
150
1N4944
1N4944
280
400
400
Dimensions in inches and (millimeters)
.166 (4.2)
.205 (5.2)
-55 to + 150
1N4946
1N4946
1.0 (25.4)
1.0 (25.4)
600
420
600
100
1.0
1.3
5.0
30
15
MIN.
MIN.
250
1N4947
1N4947
800
560
800
1N4942
1N4948
.034 (0.9)
.028 (0.7)
.107 (2.7)
.080 (2.0)
THRU
1N4948
1N4948
1000
1000
DIA.
700
500
DIA.
uAmps
uAmps
UNITS
UNITS
Amps
Amps
Volts
Volts
Volts
Volts
nSec
pF
0
2002-11
C
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1N4944-T Summary of contents
Page 1
... Dimensions in inches and (millimeters) 1N4944 1N4946 1N4947 1N4948 400 600 800 1000 280 420 560 700 400 600 800 1000 1 - 150 1N4944 1N4946 1N4947 1N4948 1.3 5.0 100 150 250 500 UNITS Volts Volts Volts Amps Amps UNITS Volts uAmps ...
Page 2
... INSTANTANEOUS FORWARD VOLTAGE, (V) FIG TYPICAL REVERSE CHARACTERISTICS 125 1 . 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE, (%) TIME CHARACTERISTIC trr +0. PULSE -0.25A GENERATOR (NOTE (NOTE 1) -1.0A 1cm RECTRON 1.4 1.6 SET TIME BASE FOR 50/100 ns/cm ...